<!--
 * @Description: 
 * @Version: 2.0
 * @Autor: ycw
 * @Date: 2022-01-30 14:38:34
 * @LastEditors: ycw
 * @LastEditTime: 2022-01-30 15:40:25
-->
<template>
  <div>
    <div class="user-info-head" @click="editCropper()"><img v-bind:src="options.img" title="点击上传头像" class="img-circle img-lg" /></div>
    <el-dialog :title="title" v-model="open" width="800px" append-to-body @opened="modalOpened"  @close="closeDialog()">
      <el-row>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <vue-cropper
            ref="cropper"
            :img="options.img"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            @realTime="realTime"
            v-if="visible"
          />
        </el-col>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <div class="avatar-upload-preview">
            <img :src="previews.url" :style="previews.img" />
          </div>
        </el-col>
      </el-row>
      <br />
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
            <el-button size="small">
              选择
              <i class="el-icon-upload el-icon--right"></i>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{span: 1, offset: 2}" :md="2">
          <el-button icon="el-icon-plus" size="small" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-minus" size="small" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-left" size="small" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-right" size="small" @click="rotateRight()"></el-button>
        </el-col>
        <el-col :lg="{span: 2, offset: 6}" :md="2">
          <el-button type="primary" size="small" @click="uploadImg()">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script lang="ts">
import 'vue-cropper/dist/index.css'
import { VueCropper }  from "vue-cropper";
import {useStore} from "@/store";
import { UserMutationTypes } from '@/store/modules/user/mutation-types'
import { uploadAvatar } from "@/apis/system/user";
import { defineComponent, getCurrentInstance, onMounted, reactive, toRefs } from "@vue/runtime-core";
export default defineComponent({
  props: {
    user: {
      type: Object
    }
  },
  components:{
    VueCropper
  },
  setup(ctx){
    console.log(ctx)
    const { proxy }:any=getCurrentInstance()
    const store=useStore()
    const dataMap=reactive({
      // 是否显示弹出层
      open: false,
      // 是否显示cropper
      visible: false,
      // 弹出层标题
      title: "修改头像",
      options: {
        img: store.state.user.avatar, //裁剪图片的地址
        autoCrop: true, // 是否默认生成截图框
        autoCropWidth: 200, // 默认生成截图框宽度
        autoCropHeight: 200, // 默认生成截图框高度
        fixedBox: true // 固定截图框大小 不允许改变
      },
      previews: {},
      // 编辑头像
      editCropper() {
        dataMap.open = true;
      },
      // 打开弹出层结束时的回调
      modalOpened() {
        dataMap.visible = true;
      },
      // 覆盖默认的上传行为
      requestUpload() {
      },
      // 向左旋转
      rotateLeft() {
        proxy.$refs.cropper.rotateLeft();
      },
      // 向右旋转
      rotateRight() {
        proxy.$refs.cropper.rotateRight();
      },
      // 图片缩放
      changeScale(num) {
        num = num || 1;
        proxy.$refs.cropper.changeScale(num);
      },
      // 上传预处理
      beforeUpload(file) {
        if (file.type.indexOf("image/") == -1) {
          proxy.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
        } else {
          const reader = new FileReader();
          reader.readAsDataURL(file);
          reader.onload = () => {
            dataMap.options.img = String(reader.result);
          };
        }
      },
      // 上传图片
      uploadImg() {
        proxy.$refs.cropper.getCropBlob(data => {
          let formData = new FormData();
          formData.append("avatarfile", data);
          uploadAvatar(formData).then(response => {
            dataMap.open = false;
            dataMap.options.img = response.imgUrl;
            store.commit(UserMutationTypes.SET_AVATAR, this.options.img);
            proxy.msgSuccess("修改成功");
            dataMap.visible = false;
          });
        });
      },
      // 实时预览
      realTime(data) {
        proxy.previews = data;
      },
      // 关闭窗口
      closeDialog() {
        proxy.options.img = store.state.user.avatar
	      proxy.visible = false;
      }
    })
    onMounted(()=>{
      console.log()
    })
    return{
      ...toRefs(dataMap)
    }
  }
})

</script>
<style scoped lang="scss">
.user-info-head {
  position: relative;
  display: inline-block;
  height: 120px;
}

.user-info-head:hover:after {
  content: '+';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 24px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: pointer;
  line-height: 110px;
  border-radius: 50%;
}
</style>